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2000 articles for “Study” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Characterization of Tesu Colour Dyeing on Excel Fibre and to Study the Effects of Caustic Treatment
Abstract: Tesu, the natural flower colour, was extracted in such way that the maximum colour yield can be obtained on textile fibre. The extracted Tesu colour was applied on excel, the third generation regenerated cellulosic fibre, at different pH, time, temperature and electrolyte concentration. The characterisation of Tesu colour dyeing on excel fibre was developed. Further, the effects of caustic soda treatment on dyeability of excel fibre with natural Tesu colour …
Published in International Journal of Environmental Chemistry · Vol. 2, Issue 1, 2016 · pp. 20–25 Read article
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Feasibility Study on Spent Pot Lining (SPL) as Raw Material in Cement Manufacture Process
Abstract: SPL is a waste material that comes free from the production of Aluminum industrial. SPL is separated in two fractions: a carbon-rich fraction referred to as “first cut” and a refractories rich fraction referred to as “second cut”. One commonly used solution is the processing of SPL fractions in cement kilns. The primary reasons for the cement producer to process the SPL are the reduction in raw material costs from …
Published in International Journal of Environmental Chemistry · Vol. 2, Issue 2, 2016 · pp. 18–26 Read article
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“Studies on Benzene & Toluene in Ambient air of Ghaziabad Area of Delhi NCR & their carcinogenic effect”
Abstract: In this paper, the determination of Benzene & Toluene in Ambient air of Ghaziabad area of NCR were investigated. Benzene & Toluene are considered as the Carcinogenic and toxic contaminants of ambient air quality of Ghaziabad. Benzene & Toluene comes from many different sources like petroleum products, including motor fuels, industrial emission, factories and power plants etc. Benzene and toluene are carcinogenic and hazardous to biotic life and no safe …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 1, 2018 · pp. 19–28 Read article
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Studies on the degradation of jute blended cotton fabric in soil, water and ambient atmosphere
Abstract: Although, we are more concern about the environment pollution, we cannot reduce the use of pollutant in a significant limit. The use of bio-degradable materials is one of the best methods to reduce environmental pollution. In our present research we tried to find biodegradable materials, jute and cotton, to keep our environment pollution free. We also showed the effect of environment on the degradation properties of the mentioned materials. The …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 2, 2018 · pp. 1–11 Read article
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Mechanical Studies and Thermal Kinetics of Isoniazid Crystals
Abstract: Single crystals of isoniazid were crystallized by slow solvent evaporation method. The crystal structure was confirmed using single crystal X-ray diffraction analysis. Micro hardness was estimated and work hardening coefficient and Newtonian resistance pressure of the crystal were determined. Kinetic analysis of the thermogravimetric data was carried out by using Coats-Redfern relation. Activation energy, frequency factor and order of reaction were also calculated. Arrhenius equation for isoniazid is k=0.43×105e–79103/RT mol–1s–1. …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 1, Issue 1, 2015 Read article
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The Thermodynamic Studies of Derivative of Thiabendazole in 1, 4 Dioxane System in the Temperature Range 303 to 323 K
Abstract: Densities, viscosities of some derivatives of thiabendazole in 1, 4 dioxane were measured in the temperature range 303 to 323 K. The viscosity was determined by John-Dole equation. The data has been used to calculate thermodynamic parameters. G and H are negative and S is positive which indicate the spontaneity of reaction according to thermodynamics. Keyword: thermodynamic parameters, free energy change, enthalpy change, entropy change
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 1, Issue 1, 2015 Read article
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Spectrophtometric Study of Catalysed Oxidation of Some Cyclic Alcohols by N-bromophthalimide
Abstract: The spectrophotometric kinetic investigation of cyclohexanol and cycloheptanol catalysed by Keggin type anion [PW12O40]3- with N-bromophthalimide have been carried out in 30% acetic acid medium in absence of mercuric(II) acetate and in presence of sulphuric acid. The observed kinetic data was used for the justification of Beer-Lambert law. The reactions follow a fractional-order with respect to cyclic alcohols, PTA catalyst and first-order with respect to oxidant NBP. The added H+ …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 44–50 Read article
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SYNTHESIS AND IR-SPECTROSCOPIC STUDY OF MIXED LIGAND COMPLEX COMPOUNDS OF COPPER (II) FORMAT WITH SOME AMIDES
Abstract: Complex compounds of metals with amides, having biological activity are widely used in agriculture. Complex compounds of copper with organic ligands are physiologically active, participating in the vital processes of living organisms; the formiats have bactericidal and fungicidal properties. For the first time, mixed ligand complex compounds of copper (II) formate with formamide, thiocarbamide, acetamide and carbamide in an aqueous solution were synthesized. Using the methods of IR spectroscopy and …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 2, 2020 · pp. 31–38 Read article
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Synthesis, characterization of Schiff base and its pH metrically studies of transition metal complexes of N'-(3, 4-dihydroxybenzylidene) isonicotinohydrazide.
Abstract: Schiff reaction is one of the versatile reaction widely used in organic synthesis focused on the discovery & development of isoniazide Schiff base derivative N’(3,4-Dihydroxy benzylidene isonicotinohydrazide) have been reported in presence of 0.01g molecular iodine catalyst stirring give fast product & good yield. The synthesized compound is characterized by FTIR & H-NMR analysis. For the development of coordination chemistry Schiff base & metal ion having played most important role, …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 2, 2020 · pp. 39–47 Read article
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The Study of Activity of Heterocyclic Oxadiazole Derivatives and It’s Application’s
Abstract: Due to their biological actions, oxyadiazole derivatives are a significant class of heterocyclics that havegenerated a lot of interest in designing and synthesizing them. Oxadiazole is a heterocyclic substancethat can be made from a 5-member ring that contains nitrogen and oxygen. The development of thesynthetic chemical oxadiazole demonstrates the biological activity. The goal of this review is to gatherinformation on the creation of Oxadiazole derivatives and the functions they serve. …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 1, 2023 · pp. 1–10 Read article
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Achieving Energy Economy and Sustainable Development by Decentralized Energy Planning in Angkuchen Village, Sikkim A Case Study
Abstract: Energy is the fuel for the growth of human civilization. But what becomes of utmost importance by current trends is proper management of the energy resources. The commercial energy consumption, in current state of affairs, is about 67% of the total energy consumed in India. This includes coal with the largest share of 57%, followed by oil at 28%, natural gas at 12% and hydro energy at 3%. Non-commercial energy …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 1, Issue 1, 2015 · pp. 6–12 Read article
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Studies on Fuel potential of different generation biofuels
Abstract: Ever-increasing pressing issue has been to generate biofuel energy for transportation, food security etc. Our nation has been continuously laying efforts in this field to develop methods that can provide sustainable energy source that can fulfill the growing needs. Fossil fuels which were earlier the only source of energy production is now been replaced by various other sources including algal strains. The latter has come forward as an alternate to …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 3, Issue 1, 2017 · pp. 26–29 Read article
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A Study of Thermodynamics of Ligand - Receptor Interaction in Chemical Sciences
Abstract: The formation and separation of definite non-covalent interactions between varieties of macromolecules play a crucial role in the function of biological systems. During the last few years, three main lines of research led to a dramatic improvement of our understanding of these important phenomena. First, combination of genetic engineering and X ray crystallography made available a simultaneous knowledge of the precise structure and affinity of series or related ligand-receptor systems …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 3, Issue 2, 2017 · pp. 12–16 Read article
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Thermodynamic Chemistry in Dyeing of Wool: A Study on Thermodynamics Chemistry of Dyeing of Wool Products
Abstract: Dyes are synthetic aromatic compounds which can bring bright and fixed color to other materials. It is described that over 100,000 commercially accessible dyes occur and more than 7x105 metric tons of dyes are produced universal annually. When a textile fiber is dipped in a solution of dye under favorable conditions, the fiber becomes colored, the color of the solution decreases and dyeing has occurred. The wool fiber is hair …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 3, Issue 2, 2017 · pp. 21–26 Read article
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Preparation of Beta Lactam Compounds and Study of Thermodynamically Behavior
Abstract: Several Lactam derivatives have been prepared by condensation reaction of folic acid with (4-chloroacetophenone and 4-hydroxyacetophenone) in ethanol. Then the resultant compounds (1,2) react with another Schiff bases by reacting of 4- bromobenzaldehyde with an amino acid (Phenylalanine, Tryptophan, Tyrosine and Histidine) to give bis-β-lactam rings. The structures of target compounds were characterized by many spectroscopic methods including NMR, FTIR technique and their melting points. The β- lactam derivatives were …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 2, 2019 · pp. 9–15 Read article
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Runway Orientation Problems – A Case Study of Middle Euphrates International Airport MEIA
Abstract: It has been planned to design and construct a major international airport at the middle Euphrates region of Iraq to support the commercial development plan and serve the pilgrim’s occasional visit to the holly shrine at Holy Karbala and Najaf provinces. The airport site is 30 km west of Karbala at the edge of the great western desert. The design includes construction of two parallel runways of 4500 m length, …
Published in International Journal of Construction Engineering and Planning · Vol. 1, Issue 1, 2015 · pp. 21–28 Read article
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Study and Characterisitics of Different GVF Profile of Rectangular Channel
Abstract: This technical note presents the equation for one-dimensional gradually-varied steady flow profiles with constant discharge, in a rectangular-section prismatic channel of constant roughness and small longitudinal slope. The flow profile differential equation was transformed by means of a polynomial approximation and then, by an algebraic procedure followed by the integration of the equation, the solution was obtained. This solution was applied to a particular case which, through a comparative analysis, …
Published in International Journal of Construction Engineering and Planning · Vol. 3, Issue 1, 2017 · pp. 24–34 Read article
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Study on the Effects of Polypropylene Fiber in Concrete Paver Blocks
Abstract: Road transportation is the lifeline of the nation and its development is a crucial concern. The traditional bituminous pavement needs the continuous maintenance and rehabilitation operations, which ultimately leads to the scope for cement concrete pavements. This paper highlights the effects of polypropylene fibers in concrete paver blocks, which is a recent advancement in the field of reinforced concrete pavement design. Concrete paver blocks prepared for M30 grade and the …
Published in International Journal of Construction Engineering and Planning · Vol. 3, Issue 2, 2017 · pp. 32–38 Read article
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To Study About Use of Plastic Waste in Flexible Road Construction
Abstract: The plastic wastes can be used in road construction and the field tests endured the stress and proved that the plastic wastes used after proper processing as a preservative would enhance the lifespan of the roads and also solve environmental problems. Plastic use in road construction is not new. It is already in use as PVC or HDPE pipe mat passages built by mending composed of PVC (polyvinylchloride) or HDPE …
Published in International Journal of Construction Engineering and Planning · Vol. 5, Issue 1, 2019 · pp. 12–17 Read article
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Experimental Study of Replacement of VSI Sand by Sea Sand in Concrete
Abstract: Concrete is a construction material used widely over the world and it is very difficult to find versatile alternative for concrete. Concrete is made up of cement, fine aggregates (sand), coarse aggregates and water. Fine aggregate is one of the constituents of concrete which influences concrete mix design substantially. Generally river sand / crushed sand is used as fine aggregate. But considering today’s situation, due to greater demand of river …
Published in International Journal of Construction Engineering and Planning · Vol. 6, Issue 2, 2020 · pp. 8–14 Read article